#include <bits/stdc++.h>
using namespace std;

#define rep(i,n) for(int i=0; i<n; i++)
#define repb(i,n) for(int i=n-1; i>=0; i--)
#define REP(i,a,b) for(int i=a; i<=b; i++)
#define REPB(i,a,b) for(int i=a; i>=b; i--)
#define pb push_back
#define mp make_pair
#define tc(t) int t; scanf("%d",&t); while(t--)

int main()
{
	freopen("arena.in","r",stdin);
	freopen("arena.out","w",stdout);
	ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	
	return 0;
}
